Device for releasing medication for alimentary tract at fixed point
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- CHONGQING UNIV
- Publication Date
- 2005-03-30
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
Technical field:
[0001] The present invention relates to a fixed-point release device for digestive tract medicine, in particular to a pill-type swallowable fixed-point release device for digestive tract medicine, which is used to release substances in the digestive tract of animals or human bodies, such as medicine, food, markers Wait. Background technique:
[0002] In U.S. Patent No. 4,425,117, a device for releasing substances at designated positions in the digestive tract is proposed. There is a needle at the end of the moving mechanism; the second small chamber is a medicine storage bin with small holes around it, and the medicine is packaged in a small balloon and put into the medicine storage bin; there is a fixed baffle in the middle of the device to separate the two small chambers . When the device reaches the designated position of the digestive tract, an electromagnetic wave signal is sent from the outside, and the coil and oscillation circuit in the housing of ...